[Bug tree-optimization/77621] [6/7 Regression] Internal compiler error for mtune=atom + msse2
uros at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Tue Sep 20 17:36:00 GMT 2016
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77621
--- Comment #19 from uros at gcc dot gnu.org ---
Author: uros
Date: Tue Sep 20 17:36:03 2016
New Revision: 240277
URL: https://gcc.gnu.org/viewcvs?rev=240277&root=gcc&view=rev
Log:
PR target/77621
* config/i386/i386.c (ix86_preferred_simd_mode) <case DFmode>:
Don't return word_mode for !TARGET_VECTORIZE_DOUBLE.
(ix86_add_stmt_cost): Penalize DFmode vector operations
for !TARGET_VECTORIZE_DOUBLE.
testsuite/ChangeLog:
PR target/77621
* gcc.target/i386/pr77621.c: New test.
* gcc.target/i386/vect-double-2.c: Update scan-tree-dump-times
pattern, loop should vectorize with -mtune=atom.
Added:
trunk/gcc/testsuite/gcc.target/i386/pr77621.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/config/i386/i386.c
trunk/gcc/testsuite/ChangeLog
trunk/gcc/testsuite/gcc.target/i386/vect-double-2.c
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